WO2013065471A1 - 液晶ポリエステルアミド樹脂 - Google Patents
液晶ポリエステルアミド樹脂 Download PDFInfo
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- WO2013065471A1 WO2013065471A1 PCT/JP2012/076460 JP2012076460W WO2013065471A1 WO 2013065471 A1 WO2013065471 A1 WO 2013065471A1 JP 2012076460 W JP2012076460 W JP 2012076460W WO 2013065471 A1 WO2013065471 A1 WO 2013065471A1
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- 0 *N*CC(O)=O Chemical compound *N*CC(O)=O 0.000 description 1
- FXCLKDAHBDGIQX-UHFFFAOYSA-N FC(C(O[Zn]1(OC(C(F)(F)F)O2)OC(C(F)(F)F)O3)O[Zn]4(OC(C(F)(F)F)O5)[O]11[Zn]35OC(C(F)(F)F)O[Zn]21OC(C(F)(F)F)O4)(F)F Chemical compound FC(C(O[Zn]1(OC(C(F)(F)F)O2)OC(C(F)(F)F)O3)O[Zn]4(OC(C(F)(F)F)O5)[O]11[Zn]35OC(C(F)(F)F)O[Zn]21OC(C(F)(F)F)O4)(F)F FXCLKDAHBDGIQX-UHFFFAOYSA-N 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/44—Polyester-amides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/04—Preparatory processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/02—Compositional aspects of complexes used, e.g. polynuclearity
- B01J2531/0213—Complexes without C-metal linkages
- B01J2531/0216—Bi- or polynuclear complexes, i.e. comprising two or more metal coordination centres, without metal-metal bonds, e.g. Cp(Lx)Zr-imidazole-Zr(Lx)Cp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2531/00—Additional information regarding catalytic systems classified in B01J31/00
- B01J2531/20—Complexes comprising metals of Group II (IIA or IIB) as the central metal
- B01J2531/26—Zinc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/1691—Coordination polymers, e.g. metal-organic frameworks [MOF]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/16—Catalysts comprising hydrides, coordination complexes or organic compounds containing coordination complexes
- B01J31/22—Organic complexes
- B01J31/2204—Organic complexes the ligands containing oxygen or sulfur as complexing atoms
- B01J31/2208—Oxygen, e.g. acetylacetonates
- B01J31/2226—Anionic ligands, i.e. the overall ligand carries at least one formal negative charge
- B01J31/223—At least two oxygen atoms present in one at least bidentate or bridging ligand
- B01J31/2239—Bridging ligands, e.g. OAc in Cr2(OAc)4, Pt4(OAc)8 or dicarboxylate ligands
Definitions
- the present invention relates to a liquid crystal polyester amide resin having a good hue.
- a liquid crystalline resin capable of forming an anisotropic molten phase is known as a material excellent in moldability, rigidity, heat resistance, chemical resistance and the like, and has been widely used as a material for various electric and electronic parts.
- the liquid crystalline resin is often used as a raw material for producing a molded product requiring heat resistance because of its high melting point and excellent fluidity (Patent Document 1).
- Patent Document 1 as applications requiring heat resistance, lamp sockets, lamp holders, lamp bases, electric or electronic connectors, circuit boards, terminal blocks, terminal connectors, heater mounting bases, ignition coils, relay sockets, high voltage Controllers and switches for home appliances including connectors, spark plug parts, emergency switches, ovens, cooking utensils and washing machines.
- the liquid crystalline resin is suitably used as a raw material of a molded product requiring heat resistance.
- the polycondensation reaction temperature and the processing temperature are very high, a liquid crystalline resin having a good hue can be obtained. I can't.
- the poor hue is a major problem in applications where an excellent appearance is required, which limits the use of liquid crystalline resins.
- liquid crystalline resins having a good hue are required, and various proposals have been made. Examples of such methods include a method of melt-kneading a benzoxazole compound in a liquid crystal polyester resin (Patent Document 2), a method of performing a polycondensation reaction step of a liquid crystal polyester resin in the presence of a metal dihydrogen phosphate (Patent Document 3), and the like. Has been proposed. However, many proposals are for liquid crystal polyester resins. Among liquid crystal resins, liquid crystal polyester amide resins are excellent in rigidity, heat resistance, thermal conductivity, etc. Proposals are in an unsatisfactory situation.
- the present invention was made to improve the hue of a liquid crystal polyester amide resin, and an object thereof is to provide a liquid crystal polyester amide resin having a good hue.
- the inventors of the present invention have made extensive studies in order to solve the problem of obtaining a liquid crystal polyesteramide resin having a good hue. As a result, the inventors have found that the above problem can be solved by polymerizing using a specific catalyst, and have completed the present invention. More specifically, the present invention provides the following.
- Ar 1 , Ar 2 and Ar 3 in the general formulas (II) to (IV) each represents a divalent aromatic group.
- R represents a hydrogen atom, an alkyl group, an acetoxy group, an alkoxy group, an aryl group, Or a halogen atom.
- Ar 4 independently represents a divalent aromatic group.
- Ar 5 and Ar 6 each independently represents a divalent aromatic group, a divalent alicyclic group, and a divalent aliphatic group. Represents a divalent group selected from a group.
- the main repeating unit consists of a repeating unit derived from 4-hydroxybenzoic acid, a repeating unit derived from acetoxyaminobenzoic acid, and a repeating unit derived from 6-hydroxy-2-naphthoic acid.
- the A tetranuclear zinc complex containing a binuclear metal complex represented by the following general formula (I) and having 0 or more and 2 or less (CF 3 CO 2 H) coordinated per said binuclear metal complex is present in a catalytic amount.
- a process for producing a liquid crystal polyesteramide resin characterized by subjecting it to melt polymerization under the above conditions.
- Ar 1 , Ar 2 and Ar 3 in the general formulas (II) to (IV) each represents a divalent aromatic group.
- R represents a hydrogen atom, an alkyl group, an acetoxy group, an alkoxy group, an aryl group, Or a halogen atom.
- Ar 4 independently represents a divalent aromatic group.
- Ar 5 and Ar 6 each independently represents a divalent aromatic group, a divalent alicyclic group, and a divalent aliphatic group. Represents a divalent group selected from a group.
- a liquid crystal polyester amide resin having a good hue can be produced.
- the liquid crystal polyester amide resin of the present invention is produced using a specific monomer as a raw material and using a specific catalyst. As a result, a liquid crystal polyester amide resin having a good hue can be provided.
- the present invention will be described in the order of catalyst, liquid crystal polyester amide resin production method, and liquid crystal polyester amide resin.
- the catalyst used for producing the liquid crystal polyesteramide resin of the present invention contains a binuclear metal complex represented by the following formula (I), and 0 (CF 3 CO 2 H) per one binuclear metal complex. This is a tetranuclear zinc complex coordinated with 2 or less.
- the said ligand is not essential in order to manufacture the liquid-crystal polyesteramide resin of this invention, it is preferable to coordinate to the said binuclear metal complex from the reason of improving hygroscopicity.
- the preferred number of (CF 3 CO 2 H) is 1.
- the monomer as a raw material includes at least one of the monomers represented by the general formulas (II) to (IV).
- Ar 1 , Ar 2 and Ar 3 in the general formulas (II) to (IV) each represents a divalent aromatic group.
- R represents a hydrogen atom, an alkyl group, an acetoxy group, an alkoxy group, an aryl group, Or a halogen atom.
- the general formula (II) represents an aromatic aminocarboxylic acid.
- the aromatic aminocarboxylic acid include 4-aminobenzoic acid, 3-aminobenzoic acid, 4-amino-4′-carboxybiphenyl, 4-amino-4′-carboxybiphenyl ether, 4-amino-4 ′.
- a monomer that can impart a linear structure to the polymer For example, 4-aminobenzoic acid, 3-aminobenzoic acid, 4-amino-4′-carboxybiphenyl, 4-amino-4′-carboxybiphenyl ether, 4-amino-4′-carboxybiphenyl sulfide, 4-amino- 4'-carboxybiphenyl sulfone.
- the amino group may be primary or secondary.
- what replaced the hydrogen of the amino group with the acetoxy group can be used preferably.
- An aromatic aminocarboxylic acid in which part or all of the hydrogen atoms on the aromatic ring are substituted with an alkyl group, an alkoxy group or a halogen atom can also be used.
- the general formula (III) represents an aromatic hydroxyamine.
- the aromatic hydroxyamine include 4-aminophenol, 3-aminophenol, 4-amino-1-naphthol, 4-amino-4′-hydroxybiphenyl, 4-amino-4′-hydroxybiphenyl ether, 4 -Amino-4'-hydroxybiphenylmethane, 4-amino-4'-hydroxybiphenyl sulfide can be mentioned.
- amino group may be primary or secondary.
- hydrogen of the amino group with the acetoxy group can be used preferably.
- An aromatic hydroxyamine in which part or all of the hydrogen atoms on the aromatic ring in these aromatic hydroxyamines are substituted with an alkyl group, an alkoxy group, an aryl group or a halogen atom can also be used.
- the general formula (IV) represents an aromatic diamine.
- the aromatic diamine include 1,4-phenylenediamine, 4,4′-diaminobiphenyl, 4,4′-diaminobiphenyl sulfide (thiodianiline), 4,4′-diaminobiphenylsulfone, and 2,5-diamino. Examples include toluene, 4,4′-methylenedianiline, 4,4′-ethylenedianiline, 4,4′-diaminodiphenoxyethane, 4,4′-diaminodiphenyl ether (oxydianiline), and the like.
- a monomer that can give a linear structure for example, 1,4-phenylenediamine, 4,4′-diaminobiphenyl, 4,4′-diaminobiphenyl sulfide (thiodianiline), 4,4′-diaminobiphenylsulfone, 4,4′-methylenedianiline, 4,4 '-Diaminodiphenyl ether (oxydianiline) and the like.
- the amino group may be primary or secondary.
- what replaced the hydrogen of the amino group with the acetoxy group can be used preferably.
- An aromatic hydroxyamine in which part or all of the hydrogen atoms on the aromatic ring in these aromatic hydroxyamines are substituted with an alkyl group, an alkoxy group, an aryl group or a halogen atom can also be used.
- aromatic aminocarboxylic acids among the monomers represented by the general formulas (II) to (IV).
- use of a monomer capable of imparting a linear structure to the liquid crystal polyesteramide resin is preferable, and among them, use of 4-acetoxyaminobenzoic acid is most preferable.
- At least one monomer represented by the following general formulas (V) to (VII) is used as a monomer which is a raw material used in the production of the liquid crystal polyester amide resin.
- Ar 4 independently represents a divalent aromatic group.
- Ar 5 and Ar 6 each independently represents a divalent aromatic group, a divalent alicyclic group, and a divalent aliphatic group.
- the general formula (V) represents an aromatic hydroxycarboxylic acid.
- the aromatic hydroxycarboxylic acid include 4-hydroxybenzoic acid, 3-hydroxybenzoic acid, 6-hydroxy-2-naphthoic acid, 7-hydroxy-2-naphthoic acid, 6-hydroxy-1-naphthoic acid, Examples thereof include 4′-hydroxybiphenyl-4-carboxylic acid.
- these monomers it is preferable to use a monomer that can be used for production of a linear polymer.
- 4-hydroxybenzoic acid, 3-hydroxybenzoic acid, 4'-hydroxybiphenyl-4-carboxylic acid aromatic hydroxycarboxylic acids in which some or all of the hydrogen atoms on the aromatic ring in these aromatic hydroxycarboxylic acids are substituted with alkyl groups, alkoxy groups, or halogen atoms can also be used.
- the general formula (VI) represents an aromatic dicarboxylic acid or an aliphatic dicarboxylic acid.
- aromatic dicarboxylic acid include terephthalic acid, 4,4′-biphenyldicarboxylic acid, 4,4 ′′ -triphenyldicarboxylic acid, 2,6-naphthalenedicarboxylic acid, biphenyl ether-4,4′-dicarboxylic acid.
- a monomer capable of imparting a linear structure to the polymer for example, terephthalic acid, phthalic acid, diphenyl ether-3,3′-dicarboxylic acid, etc.
- aliphatic dicarboxylic acid examples include malonic acid, succinic acid, adipic acid, trans-1,4-cyclohexanedicarboxylic acid, cis-1,4-cyclohexanedicarboxylic acid, and 1,3-cyclohexanedicarboxylic acid. It can. Furthermore, an aliphatic dicarboxylic acid in which part or all of the hydrogen atoms of the aliphatic group or alicyclic group in the aliphatic dicarboxylic acid are substituted with an alkyl group, an alkoxy group, an aryl group or a halogen atom can also be used. .
- the general formula (VII) represents an aromatic diol or an aliphatic diol.
- the aromatic diol include 1,4-benzenediol, 1,3-benzenediol, naphthalene-2,6-diol, 4,4′-biphenylenediol, 3,3′-biphenylenediol, 4,4 Examples thereof include '-dihydroxydiphenyl ether and 4,4'-dihydroxydiphenyl sulfone.
- a monomer capable of imparting a linear structure to the polymer it is preferable to use.
- Aromatic diols in which some or all of the hydrogen atoms on the aromatic ring in these aromatic diols are substituted with alkyl groups, alkoxy groups, aryl groups or halogen atoms can also be used.
- aliphatic diol examples include ethylene glycol, propylene glycol, butylene diol, neopentyl glycol, 1,6-hexanediol, trans-1,4-cyclohexanediol, cis-1,4-cyclohexanediol, trans-1 , 4-cyclohexanedimethanol, cis-1,4-cyclohexanedimethanol, trans-1,3-cyclohexanediol, cis-1,2-cyclohexanediol, and trans-1,3-cyclohexanedimethanol.
- Aliphatic diols in which some or all of the hydrogen atoms of the aliphatic group or alicyclic group in these aliphatic diols are substituted with alkyl groups, alkoxy groups, aryl groups or halogen atoms can also be used.
- the use of aromatic hydroxycarboxylic acid is preferable, and the use of 4-hydroxybenzoic acid or 6-hydroxy-2-naphthoic acid is particularly preferable.
- it is preferably composed of 4-hydroxybenzoic acid that gives a linear structure.
- 6-hydroxy-2-naphthoic acid it is necessary to use 6-hydroxy-2-naphthoic acid as necessary. It is also preferable to use a crank monomer together.
- a small amount of other monomers other than the monomers represented by the general formulas (II) to (VII) are included within a range not impairing the object of the invention. Although it can be introduced, it is preferable that these structural units are not substantially contained.
- the liquid crystal polyester amide resin of the present invention is polymerized using the above monomers as raw materials using a direct polymerization method or a transesterification method.
- a melt polymerization method a solution polymerization method, a slurry polymerization method, a solid phase polymerization method, or the like is used.
- an acylating agent for the polymerization monomer or a monomer having an activated terminal as an acid chloride derivative can be used.
- the acylating agent include acid anhydrides such as acetic anhydride.
- the catalyst used for the polymerization is as described above. It is one of the features of the present invention that a specific catalyst is used in the production of the liquid crystal polyester amide resin.
- the amount of catalyst used is not particularly limited, and a preferable amount can be appropriately used depending on the type of monomer, conditions for polymerization, and the like.
- the amount of the catalyst used is preferably 0.000001 parts by mass or more and 0.005 parts by mass or less when the total mass of the monomers is 100 parts by mass.
- liquid paraffin high heat resistant synthetic oil, inert mineral oil, or the like is used as a solvent.
- the reaction conditions are not particularly limited, it is preferable to set the reaction temperature to 200 ° C. or more and 380 ° C. or less and the final ultimate pressure to 0.1 Torr or more and 760 Torr or less.
- the reaction temperature is preferably set to 260 ° C. or higher and 380 ° C. or lower, more preferably 300 ° C. or higher and 360 ° C. or lower, and the final ultimate pressure is preferably 1 Torr or higher and 100 Torr or lower, more preferably 1 Torr. Above 50 Torr.
- all the raw material monomers, the acylating agent and the catalyst can be charged in the same reaction vessel to start the reaction (one-stage system), or the hydroxyl group of the raw material monomer having a hydroxyl group is acylated with an acylating agent. Thereafter, it can be reacted with a carboxyl group (two-stage system).
- the melt polymerization is performed after the inside of the reaction system has reached a predetermined temperature, and the pressure reduction is started to a predetermined degree of pressure reduction. After the torque of the stirrer reaches a predetermined value, an inert gas is introduced, and the polymer is discharged from the reaction system through a normal pressure from a reduced pressure state to a predetermined pressure state.
- the liquid crystal polyesteramide resin produced by the above polymerization method can further increase the molecular weight by solid-phase polymerization that is heated in an inert gas at normal pressure or reduced pressure.
- Preferred conditions for the solid phase polymerization reaction are a reaction temperature of 230 ° C. or higher and 350 ° C. or lower, more preferably 260 ° C. or higher and 330 ° C. or lower, and a final ultimate pressure of 10 Torr or higher and 760 Torr.
- the liquid crystal polyester amide resin of the present invention is produced by polymerizing a monomer having an amino group and a monomer having no amino group using a specific catalyst. As a result, a monomer having an amino group and a monomer having no amino group are randomly polymerized. By randomly polymerizing, a liquid crystal polyester amide resin having a good hue can be obtained.
- Random polymerization can be confirmed, for example, from the high thermal diffusivity of the resin molded body.
- block copolymers and random copolymers random copolymers disperse amide bonds that exhibit intermolecular interactions more uniformly (there is a tendency for steric hindrance to be smaller), so molecules are packed more closely. Since it has a large thermal diffusivity when formed into a resin molded product, it can be confirmed to be a random copolymer.
- liquid crystal polyester amide resins at least one selected from the group consisting of a monomer represented by general formula (II), a monomer represented by general formula (III), and a monomer represented by general formula (IV) It is preferable that the content of the repeating unit derived from the monomer is 0.1 mol% or more and 85 mol% or less. If it is 0.1 mol% or more, it is preferable because the thermal diffusivity of the resin molded body becomes high when the resin molded body is formed.
- the above content is more preferably 0.5 mol% or more and 30 mol% or less, and further preferably 5 mol% or more and 30 mol% or less, from the viewpoints of manufacturability and processability of the liquid crystal polyesteramide resin.
- content of the repeating unit derived from the said monomer can be prepared by adjusting the usage-amount of each monomer.
- the liquid crystal polyester amide resin preferably has a linear structure in order to improve the thermal diffusivity. Since the liquid crystal polyesteramide resin has a linear structure, the distance between molecules in the resin molded body is shortened, and it is assumed that the thermal diffusivity of the resin molded body is further increased when the resin molded body is formed.
- the liquid crystal polyesteramide resin having a linear structure can be produced by selecting a specific monomer as a raw material.
- the term “linear” does not require that all of the raw material monomers be the above-mentioned monomers that can impart a linear structure, and other monomers may be included as appropriate.
- the repeating unit derived from the monomer which can provide a linear structure will be 70 mol% or more. More preferably, it is 75 mol% or more.
- a monomer having a secondary amino group in which the hydrogen of the amino group is replaced with an acetoxy group can be preferably used.
- Aromatic hydroxycarboxylic acid 1 4-hydroxybenzoic acid (HBA)
- Aromatic hydroxycarboxylic acid 2 6-hydroxy-2-naphthoic acid
- Aromatic aminocarboxylic acid 4-acetoxyaminobenzoic acid (PAABA)
- Catalyst 1 Tetranuclear zinc complex catalyst containing a binuclear metal complex represented by the following general formula (I), wherein one (CF 3 CO 2 H) is coordinated per one of the binuclear metal complexes 2: Potassium acetate
- Thermal diffusivity A film-shaped test piece having a thickness of 0.1 mm was prepared at 360 ° C. (melting point + temperature of about 30 ° C.) by mini test press ⁇ 10 manufactured by Toyo Seiki. Eye phase Mobile 1u manufactured by Eye Phase Co. was used as a measuring device, and the thermal diffusivity was measured under the condition of an alternating current frequency of 2 to 300 Hz. The measurement results are shown in Table 1 (unit: ⁇ 10 ⁇ 7 ).
- the L value is higher when the catalyst 1 is used than when the catalyst 2 is used.
- the thermal diffusivity is higher when the catalyst 1 is used than when the catalyst 2 is used even though the kind of monomer used as the raw material and the amount of monomer used are the same. Therefore, it was estimated that the liquid crystal polyesteramide resin produced using the catalyst 1 was a random copolymer.
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Abstract
Description
下記一般式(I)で表される複核金属錯体を含み、前記複核金属錯体1個あたり、(CF3CO2H)が0個以上2個以下配位した四核亜鉛錯体を触媒量存在させた条件下で、溶融重合することを特徴とする液晶ポリエステルアミド樹脂の製造方法。
本発明の液晶ポリエステルアミド樹脂を製造するために使用される触媒は、下記式(I)で表される複核金属錯体を含み、複核金属錯体1個あたり、(CF3CO2H)が0個以上2個以下配位した四核亜鉛錯体である。上記配位子は、本発明の液晶ポリエステルアミド樹脂を製造するために必須では無いが、吸湿性の改善という理由から上記複核金属錯体に配位していることが好ましい。また、(CF3CO2H)の好ましい個数は1である。
液晶ポリエステルアミド樹脂の製造においては、原料となるモノマーに一般式(II)~(IV)で表されるモノマーの少なくとも一種が含まれる。
上述の通り、本発明の液晶ポリエステルアミド樹脂は、アミノ基を有するモノマーとアミノ基を有さないモノマーとを、特定の触媒を用いて重合させることで製造される。その結果、アミノ基を有するモノマーとアミノ基を有さないモノマーとがランダムに重合される。ランダムに重合されることで、色相の良好な液晶ポリエステルアミド樹脂が得られる。
芳香族ヒドロキシカルボン酸1:4-ヒドロキシ安息香酸(HBA)
芳香族ヒドロキシカルボン酸2:6-ヒドロキシ-2-ナフトエ酸(HNA)
芳香族アミノカルボン酸:4-アセトキシアミノ安息香酸(PAABA)
<触媒>
触媒1:下記一般式(I)で表される複核金属錯体を含み、前記複核金属錯体1個あたり、(CF3CO2H)が1個配位した四核亜鉛錯体
触媒2:酢酸カリウム
表1に示すモノマーを表1に示す割合で含むモノマー混合物100質量部、上記触媒1 上記モノマー混合物に対し75質量ppm、及び無水酢酸102質量部を、攪拌機及び留出管を備えた反応器に仕込み、十分に窒素置換した後、圧力が常圧の条件で30℃まで温度を上げ、攪拌を開始した。140℃で60分攪拌し、さらに徐々に温度を上昇させ、副生する酢酸を留去した。温度が360℃に達したところで、徐々に反応器を減圧し、10Torr(即ち1333Pa)の圧力で0.25時間攪拌を続け、目標の攪拌トルクに達した時点で、反応器下部の排出孔を開け、窒素圧を使って樹脂をストランド状に取り出した。排出されたストランドをペレタイザーにより粒子状にした。
表1に示すモノマーを表1に示す割合で含むモノマー混合物100質量部、上記触媒2 上記モノマー混合物に対し75質量ppm、及び無水酢酸102質量部を、攪拌機及び留出管を備えた反応器に仕込み、十分に窒素置換した後、圧力が常圧の条件で30℃まで温度を上げ、攪拌を開始した。140℃で60分攪拌し、さらに徐々に温度を上昇させ、副生する酢酸を留去した。温度が360℃に達したところで、徐々に反応器を減圧し、10Torr(即ち1333Pa)の圧力で0.25時間攪拌を続け、目標の攪拌トルクに達した時点で、反応器下部の排出孔を開け、窒素圧を使って樹脂をストランド状に取り出した。排出されたストランドをペレタイザーにより粒子状にした。
[融点及び溶融粘度]
この液晶ポリエステルアミド樹脂の融点を表1に示した。融点は、TAインスツルメント製DSCQ-1000により測定した。また、温度360℃且つせん断速度1000s-1での溶融粘度を表1に示した。溶融粘度は、内径1mm、長さ20mmのオリフィスを用いて東洋精機製キャピログラフで測定した。融点、溶融粘度の測定から、重合が進行し、所望の液晶ポリエステルアミド樹脂が得られたことが確認された。
東洋精機製mini test press・10により、360℃(融点+30℃程度の温度)において厚さ0.1mmのフィルム状試験片を作成した。測定装置としてアイフェイズ社製のアイフェイズMobile1uを用い、交流電流周波数を2~300Hzの条件で熱拡散率を測定した。測定結果を表1に示した(単位:×10-7)。
上記試験片に対して日本電色株式会社製SE6000により測定した。評価結果を表1に示した。
Claims (6)
- 下記一般式(I)で表される複核金属錯体を含み、前記複核金属錯体1個あたり、(CF3CO2H)が0個以上2個以下配位した四核亜鉛錯体を触媒として用いて製造してなり、
下記一般式(II)で表されるモノマー、下記一般式(III)で表されるモノマー、及び下記一般式(IV)で表されるモノマーからなる群より選択される少なくとも一種のモノマーに由来する繰り返し単位と、
下記一般式(V)で表されるモノマー、下記一般式(VI)で表されるモノマー、及び下記一般式(VII)で表されるモノマーからなる群より選択される少なくとも一種のモノマーに由来する繰り返し単位と、を含む液晶ポリエステルアミド樹脂。
(一般式(II)~(IV)におけるAr1、Ar2、Ar3は、それぞれ2価の芳香族基を表す。また、Rは水素原子、アルキル基、アセトキシ基、アルコキシ基、アリール基、又はハロゲン原子である。)
(Ar4は、それぞれ独立に、2価の芳香族基を表す。また、Ar5及びAr6は、それぞれ独立に、2価の芳香族基、2価の脂環基及び2価の脂肪族基から選ばれる2価の基を表す。) - 一般式(II)で表されるモノマー、一般式(III)で表されるモノマー、及び一般式(IV)で表されるモノマーからなる群より選択される少なくとも一種のモノマーに由来する繰り返し単位の含有量が0.1mol%以上85mol%以下である請求項1に記載の液晶ポリエステルアミド樹脂。
- 前記一般式(II)~(IV)における、Rが、アセトキシ基である請求項1又は2に記載の液晶ポリエステルアミド樹脂。
- 直線状の高分子である請求項1から3のいずれかに記載の液晶ポリエステルアミド樹脂。
- 主たる繰り返し単位が、p-ヒドロキシ安息香酸に由来する繰り返し単位、及びアセトキシアミノ安息香酸に由来する繰り返し単位である請求項1から4のいずれかに記載の液晶ポリエステルアミド樹脂。
- 下記一般式(II)で表されるモノマー、下記一般式(III)で表されるモノマー、及び下記一般式(IV)で表されるモノマーからなる群より選択される少なくとも一種のモノマーと、下記一般式(V)で表されるモノマー、下記一般式(VI)で表されるモノマー、及び下記一般式(VII)で表されるモノマーからなる群より選択される少なくとも一種のモノマーとを、
下記一般式(I)で表される複核金属錯体を含み、前記複核金属錯体1個あたり、(CF3CO2H)が0個以上2個以下配位した四核亜鉛錯体を触媒量存在させた条件下で、溶融重合することを特徴とする液晶ポリエステルアミド樹脂の製造方法。
(一般式(II)~(IV)におけるAr1、Ar2、Ar3は、それぞれ2価の芳香族基を表す。また、Rは水素原子、アルキル基、アセトキシ基、アルコキシ基、アリール基、又はハロゲン原子である。)
(Ar4は、それぞれ独立に、2価の芳香族基を表す。また、Ar5及びAr6は、それぞれ独立に、2価の芳香族基、2価の脂環基及び2価の脂肪族基から選ばれる2価の基を表す。)
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| CN201280053149.5A CN103906789B (zh) | 2011-10-31 | 2012-10-12 | 液晶聚酯酰胺树脂 |
| KR1020147007415A KR101927993B1 (ko) | 2011-10-31 | 2012-10-12 | 액정 폴리에스테르아미드 수지 |
| US14/355,450 US9029496B2 (en) | 2011-10-31 | 2012-10-12 | Liquid crystal polyester amide resin |
| JP2013541691A JP6010039B2 (ja) | 2011-10-31 | 2012-10-12 | 液晶ポリエステルアミド樹脂 |
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| JP7332285B2 (ja) * | 2018-12-19 | 2023-08-23 | ポリプラスチックス株式会社 | 全芳香族ポリエステルアミド、ポリエステルアミド樹脂組成物及びポリエステルアミド成形品 |
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| US9029496B2 (en) | 2015-05-12 |
| US20140256903A1 (en) | 2014-09-11 |
| CN103906789B (zh) | 2016-07-06 |
| TWI555776B (zh) | 2016-11-01 |
| KR20140088076A (ko) | 2014-07-09 |
| JP6010039B2 (ja) | 2016-10-19 |
| KR101927993B1 (ko) | 2018-12-11 |
| JPWO2013065471A1 (ja) | 2015-04-02 |
| CN103906789A (zh) | 2014-07-02 |
| TW201333073A (zh) | 2013-08-16 |
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